<template>
  <div class="app-container">

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:newarrival:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:newarrival:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:newarrival:remove']"
        >删除</el-button>
      </el-col>

    </el-row>

    <el-table v-loading="loading" :data="newarrivalList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="新上线商品编号" align="center" prop="newarrivalId" />
      <el-table-column label="新上线商品名" align="center" prop="newarrivalProductName" />
      <el-table-column label="新上线商品跳转连接" align="center" prop="newarrivalProductHref" />
      <el-table-column label="排序值" align="center" prop="newarrivalSort" />
      <el-table-column label="商品编号" align="center" prop="newarrivalProductId" />
      <el-table-column label="添加时间" align="center" prop="newarrivalAddtime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.newarrivalAddtime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:newarrival:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:newarrival:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改新品上线配置对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="商品名" prop="newarrivalProductId">
          <el-select
            v-model="form.newarrivalProductId"
            placeholder="请选择商品"
            clearable
            filterable
            @change="handleProductChange">
            <el-option
              v-for="prod in productOptions"
              v-if="prod && prod.productId"
              :key="prod.productId"
              :label="prod.productName"
              :value="prod.productId">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="排序值" prop="newarrivalSort">
          <el-input v-model="form.newarrivalSort" placeholder="请输入排序值" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listNewarrival, getNewarrival, delNewarrival, addNewarrival, updateNewarrival, listProducts } from "@/api/system/newarrival"

export default {
  name: "Newarrival",
  data() {
    return {
      // 上架商品下拉框数据
      productOptions: [],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 新品上线配置表格数据
      newarrivalList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
      },
      // 表单参数
      form: {
        newarrivalProductId: null
      },
      // 表单校验
      rules: {
      }
    }
  },
  async created() {
    await this.getProductList();
    this.getList();
  },
  methods: {
    handleProductChange(val) {
      const selected = this.productOptions.find(item => item.productId == val);
      if (selected) {
        // 校验是否存在相同商品（排除当前修改项）
        const isExist = this.newarrivalList.some(item =>
          item.newarrivalProductId === val &&
          item.newarrivalId !== this.form.newarrivalId // 修改操作时排除自身
        );

        if (isExist) {
          this.$modal.msgError("该商品已存在于热销列表中");
          this.form.newarrivalProductId = null; // 清空选择
          this.form.newarrivalProductName = '';
          this.form.newarrivalProductHref = '';
          return;
        }

        this.form.newarrivalProductName = selected.productName;
        this.form.newarrivalProductHref = selected.productHref;
      }
    },
    /** 获取商品列表 */
    getProductList() {
      listProducts().then(response => {
        this.productOptions = response.data;
      }).catch(error => {
        console.error("加载商品列表失败:", error);
        this.$modal.msgError("商品数据加载失败");
      });
    },
    /** 查询新品上线配置列表 */
    getList() {
      this.loading = true
      listNewarrival(this.queryParams).then(response => {
        this.newarrivalList = response.rows
        this.total = response.total
        this.loading = false
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        newarrivalId: null,
        newarrivalProductName: null,
        newarrivalProductHref: null,
        newarrivalSort: null,
        newarrivalProductId: null,
        newarrivalAddtime: null
      }
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.newarrivalId)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset()
      this.open = true
      this.title = "添加新品上线配置"
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      const newarrivalId = row.newarrivalId || this.ids
      getNewarrival(newarrivalId).then(response => {
        this.form = response.data
        this.open = true
        this.title = "修改新品上线配置"
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.newarrivalId != null) {
            updateNewarrival(this.form).then(response => {
              this.$modal.msgSuccess("修改成功")
              this.open = false
              this.getList()
            })
          } else {
            addNewarrival(this.form).then(response => {
              this.$modal.msgSuccess("新增成功")
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const newarrivalIds = row.newarrivalId || this.ids
      this.$modal.confirm('是否确认删除新品上线配置编号为"' + newarrivalIds + '"的数据项？').then(function() {
        return delNewarrival(newarrivalIds)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess("删除成功")
      }).catch(() => {})
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/newarrival/export', {
        ...this.queryParams
      }, `newarrival_${new Date().getTime()}.xlsx`)
    }
  }
}
</script>
